DOAJ Open Access 2025

A new tubalepid fish (Antiarcha, Placodermi) from the Middle Devonian of Huize, Yunnan, China

Yanchao Luo Zhaohui Pan Min Zhu

Abstrak

Abstract A new genus and species of tubalepid antiarch, Tongdulepis concavus gen. et sp. nov., is described from the Middle Devonian (Qujing Formation, late Eifelian) in Huize County, Qujing, northeastern Yunnan, China. It differs from other antiarchs in the trapezoidal premedian plate, the absence of a postmarginal plate (except Tubalepis), trifid preorbital recess, contorted infraorbital sensory line on the lateral plate, and an anterior median dorsal plate with broad anterior margin and concave posterior margin. This material confirms the absence of the postmarginal plate in Tubalepididae and adds to the understanding of the neurocranium and brachial process in basal bothriolepidoids. Our phylogenetic result places Tongdulepis gen. nov. within Tubalepididae, specifically at the plesiomorphic position of the Tenizolepis-Dianolepis-Bothriolepis lineage.

Topik & Kata Kunci

Fossil man. Human paleontology Paleontology

Penulis (3)

Yanchao Luo

Zhaohui Pan

Min Zhu

Format Sitasi

APA MLA BibTeX

Luo, Y., Pan, Z., Zhu, M. (2025). A new tubalepid fish (Antiarcha, Placodermi) from the Middle Devonian of Huize, Yunnan, China. https://doi.org/10.1186/s13358-025-00349-6

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Informasi Jurnal

Tahun Terbit: 2025
Sumber Database: DOAJ
DOI: 10.1186/s13358-025-00349-6
Akses: Open Access ✓